Regulator



March 16 1926. 1.576,605

J. B. HARRls I REGULATOR Filed Feb. 18, 1925 Jfss: .8 /zee/s Patented Mar. 16, 1926.

JESS B. I-IARRIS, OF MNNEAPOLI MINNESQTA.

REGULATQR.

Application filed February 18, 132.5. Serial Ne. 10,031.

To all 'uv/720m fit may camera: 4

.Be it knowi'i that l, Jiissn B. Hindus, a citizen of the United States, and. a residnt of Minneapolis, in the county of Hennepin and State. of h'linnesota, have .invented new and us ful l'n'il-n'ovenients in a Regulator, of which the following is a specification,

The main objectof my invention is to provide a regulator wherein a therniostatic control device will mechanically and directly control an electrical circuit switch.

Another object is to provide an improvcd unit regulator that is self-contained.

Another object is to provide with a regulating device, lever and link mechanism that 'will auton'xatically vcontrol an electrical switch.

ll'ith these and incidcntal objects in view,

the invention consists of certain novel featui'es of construction and combination of parts, the essential elements of which are hereinafter described with reference to the d *awing which accompanies and forms a part of the specification.

ln the drawing', Fignre 1 is a side elevation, partly in section showing my inprovcd regulator as it would beconnected to a boiler and Figure 2 is a plan view of the same.

lWhile have shown my regulator in an embodiment whcreby its action is determined directly by the temperature of the boiler to which the device is applied, the same principle works equally well where dirc-ct pressure, is applied to the actuating` part of the mechanisni such as in steam plants in which case the action is pcrformed by the pressure of the steam, but as this pressure is directly in'oportional to the temperature, the control is actually determined by the temperature of the boiler to which the regulator is applied.

As shown in the drawing, the base 1, which may be a casting` or formed structure, has inounted thereon by screws 2, a thermostatic control element 3, which is preferably of the ordinary bellows type such as are conunonly known, and as this part of the' apparatus does not pertain to my invention, the details thereof will not be described except to state that the position of the pin 4; is determined by the temperature of the tube 5, which is inserted in the boilcr 6, to which the device is applied.

As shown in Figure 1, the tube 5 is exteriorly threaded at 7 to engage with the intrior threadsof the sleeve 8 and this sleeve is, exterioi'ly threaded at 9 to en'gage with the ntrior threads 10 in the aperture of the boiler Vwhere the device 'is mounted.

t the opposite end of the frame 1,1 a con.- dulet 11 mounted by screws 12 and in this condulet is any ,ordinary type switch which has either a' lever 13 etending therefron'i, or has its individual lever, not shown, rig'idly fastened Vto the level' 13;. Hinged to the lever 13 at 1d is a linl-I 15, which is threaded into the rod end 16 at its exteriorly threaded end 17.

The rod end 16 is hinged at 18 to the level' 19 and this lever 19 is carried by saddle 20 and the set screw 21 allows the lateral adjustment of the lever 19 with respect to the saddle.

The saddle 20 ishinged at 22 to the elo-- nient 3 and rests on the pin 4, adjustable weights and 24 being provided for var ingl the gravity pressure of the saddle 20 on the pin 4-.

It is evident that if the switch in the condulet 11 is closed in the position shown in Figure 1, the upward movement of the pin 4 lcaused by increase in temperature in the boiler, will at a pre-determined point, open the switch thru the inechanism of the link 15 and the lever 13 and that conversely the lowering of the temperature in the boiler will by the retraction of the pin 4 allow the overbalancing weight 23 to close the switch.

The switch can of course be used 'to close any electrical eircuit so the device can be used :in controlling any kind of electrical device such as the circnit of an oil burner to which my regulator is peculiarly adapted.

llfhile l have described my .invention and illustrated it in one particular construction, 1 do not wish it understood that I limit my- ,self to this particular einbodiment, as it, is

evident that the application of the invention may be varied inmany ways within the scope of the following` claims:

Claims:

1. In a regulator, the combination with a base of a thern'iostatically operated element mounted on said base and including a movable pin, a lever mounted on said element and in hinged relation thereto, an adjustable weight element on said leVer, an electrical switch mechanism mounted on said base and link mechanism inteirposed between said switch mechanism and said lever,

whereby the inoveinent of said pin will aetnate said switch.

2. In a regulator, the combination With a base of a therinostatically operated element, including` a inovable pin, a nipple associated With said base and element and exteriorly threaded, a longitudinally adjustable lever inounted in hinged relation to said element, a longitudinally adjustable weight carried by said level', a. switch nieehanism mounted on said base, a lever extending from said switch ineehanisin to arctuate the same and a link hinged at one end to said last named lever and at the other end to said longitudinally adjustable lever hereby the move inent of the said longitudinally adjustable level' will aotuate said switch, 'the position of said pin deterinining the angular position of said longitudinally adjustable lever 8. In a regulator, the combination With a base of a therinostatie element niounted on said base, said element including a inovable pin Whose position is determined by the temperature to which said element is subjected, a saddle hinged to said element and having its 'free end resting on said pin, a lever inounted in said saddle and longitudinally adjustable therein, a pair of adjustable weights on said lever, each longitudinally adjustable along said lever, a switch nieehanisni inounted on the other end of said base and liavin 0' a lever eontrollino' said inechanisin extending therefron'i, a link bing'ed to said last nanied lever at one end 'and having a rod end threaded to its opposite end, said red end being' hinged to the free end of said first nained leVer.

JESSE B. HARRS. 

